Wuxi Xintong Steel Pipe Co., Ltd. also engaged in the production of various Trapezoidal steel pipes, seamless steel pipes, cone-shaped pipes, oval pipes, high pressure pipes, fertilizer management pipes, geological-applied pipes, spiral pipes, oil cracking pipes, stand pipes, fluid pipes, conical pipes, stainless conical steel pipes, thick-walled conical steel pipes, thin-walled conical pipes, oval steel pipes, flat oval steel pipes, stainless flat oval steel pipes, hexagonal steel pipes, stainless hexagonal steel pipes, triangular steel pipes, octagonal steel pipes, ingot steel pipes, bread-style steel pipes and large diameter longitudinally welded pipes made by Chengdu Iron & Steel Pipe Group, Yegang Steel Group, Baotou Steel Group, Baogang Iron and Steel Group, Anyang Iron and Steel Group, Tianjin Seamless Group, Xining Te Steel Group and Hengyang Steel Group.